%0 Journal Article %A V. K. Ivanov %T Integral equations of the first kind and approximate solution of the inverse problem of potential theory %J Doklady Akademii Nauk %D 1962 %P 998-1000 %V 142 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a4/ %G ru %F DAN_1962_142_5_a4